<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
    <input ng-model="name">
    <h1>{{ greeting }}</h1>
    <button ng-click='sayHello()'>点我</button>
</div>
<script>
    var app = angular.module('myApp',[]);
    app.controller('myCtrl',function ($scope) {
        $scope.name = "Runoob";
        $scope.sayHello = function () {
            $scope.greeting = 'Hello '+ $scope.name + '!';
        }
    })
</script>
</body>
</html>